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July 3rd, 2025 :: 12:42 am CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated July 2nd at 11:54 pm 
Temperature:75°F Dew Point:70°F
Barometer:30.01 inHg Wind:calm
Humidity:83.3% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jul 3rd
Friday
Jul 4th
Saturday
Jul 5th
Sunday
Jul 6th
Monday
Jul 7th
Cloudy Mix of Cloud and Sun Cloudy Thundershowers Cloudy
85°F
87°F
70°F
86°F
70°F
83°F
65°F
80°F
62°F
 
 Decatur Detailed Weather Forecast  
 
Thursday, July 3rd, 2025
Overnight Temperature: 69°F
Cloudy.
Morning Temperature: 81°F
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 84°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 73°F
Clear. Chance of a thunderstorm.
Friday, July 4th, 2025
Overnight Temperature: 71°F
A mix of cloudy and clear skies.
Morning Temperature: 83°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 85°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Saturday, July 5th, 2025
Overnight Temperature: 71°F
Clear.
Morning Temperature: 83°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 83°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Cloudy.
Sunday, July 6th, 2025
Overnight Temperature: 73°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 81°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 79°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 67°F
A mix of cloudy and clear skies.
Monday, July 7th, 2025
Overnight Temperature: 63°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 78°F
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 65°F
Clear.
Tuesday, July 8th, 2025
Overnight Temperature: 62°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 81°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 68°F
Clear with cloudy periods. Slight chance of a thunderstorm.
Wednesday, July 9th, 2025
Overnight Temperature: 67°F
Cloudy.
Morning Temperature: 80°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 82°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Thursday, July 10th, 2025
Overnight Temperature: 72°F
A mix of cloudy and clear skies with showers likely. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 76°F
Cloudy with a chance of showers or thundershowers. Windy.
Afternoon Temperature: 81°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 71°F
Clear. Slight chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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